Pros

  • Very effective at attracting and trapping gnats, fruit flies, and other small flying insects using the glue cards.
  • Easy to use by simply peeling off the backing and placing the card into the plun trap.
  • Safe and convenient for homes with children and pets, providing a chemicaree pest control option.
  • Operates silently and without any unpleasant smell, making it discreet in the home environment.
  • Provides noticeable relief from sudden or persistent fruit fly infestations.
  • Offers peace of mind and helps maintain a buree kitchen or indoor space.
  • Doubles as a gentle nightlight, which can be especially helpful for kids at night.
  • Sticky adhesive proves highly effective once set up properly.
  • Useful in older homes or rural settings where bugs are more likely to enter.

Cons

  • The glue cards require replacement approximately every two weeks for optimal effectiveness.
  • Performance is generally average and may take some time to noticeably reduce the number of flies.
  • By itself, it might not be powerful enough for heavy infestations and works better when paired with other insect control methods, like an electric fly swatter.
  • The cards can be a bit messy out of the package and sometimes need cleaning to remove excess glue before use.
  • The nightlight feature is dim and functional but not very bright.

Bottom Line

The Safer Home SH503 glue card refills offer a safe, quiet, and reasonably effective solution for managing small flying insect problems, especially fruit flies and gnats. They are best suited for mild to moderate infestations or as a complementary product in bug control setups. If you're battling a larger or more persistent infestation, pairing these traps with alternative methods like electric swatters may deliver better results. Overall, these refills provide a hassle-free, child- and pet-safe way to keep your indoor spaces more comfortable and insect-free.

Lowest at any Popular Retailer
$6.05 at Amazon
How we researched this

About this review: We pulled together findings from professional reviews and hundreds of user reviews, and cross-referenced them with ShopSavvy's pricing data from 11 retailers to give you the short version.

Where to Buy

Prices last updated: March 30th 2026 3:29 pm
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